linux/usb/functionfs.h

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
30 /* Descriptor of an non-audio endpoint */
42  * struct usb_dfu_functional_descriptor - DFU Functional descriptor
47  * @wTransferSize:	Maximum number of bytes per control-write (le16)
115 /* Flags for usb_ffs_dmabuf_transfer_req->flags (none for now) */
119  * struct usb_ffs_dmabuf_transfer_req - Transfer request for a DMABUF object
138  * +-----+-----------+--------------+--------------------------------------+
140  * +-----+-----------+--------------+--------------------------------------+
142  * +-----+-----------+--------------+--------------------------------------+
144  * +-----+-----------+--------------+--------------------------------------+
146  * +-----+-----------+--------------+--------------------------------------+
148  * +-----+-----------+--------------+--------------------------------------+
149  * |     | fs_count  | LE32         | number of full-speed descriptors     |
150  * +-----+-----------+--------------+--------------------------------------+
151  * |     | hs_count  | LE32         | number of high-speed descriptors     |
152  * +-----+-----------+--------------+--------------------------------------+
153  * |     | ss_count  | LE32         | number of super-speed descriptors    |
154  * +-----+-----------+--------------+--------------------------------------+
156  * +-----+-----------+--------------+--------------------------------------+
157  * |     | fs_descrs | Descriptor[] | list of full-speed descriptors       |
158  * +-----+-----------+--------------+--------------------------------------+
159  * |     | hs_descrs | Descriptor[] | list of high-speed descriptors       |
160  * +-----+-----------+--------------+--------------------------------------+
161  * |     | ss_descrs | Descriptor[] | list of super-speed descriptors      |
162  * +-----+-----------+--------------+--------------------------------------+
164  * +-----+-----------+--------------+--------------------------------------+
168  * rejected with -ENOSYS.
172  * +-----+-----------+--------------+--------------------------------------+
174  * +-----+-----------+--------------+--------------------------------------+
176  * +-----+-----------+--------------+--------------------------------------+
178  * +-----+-----------+--------------+--------------------------------------+
179  * |   8 | fs_count  | LE32         | number of full-speed descriptors     |
180  * +-----+-----------+--------------+--------------------------------------+
181  * |  12 | hs_count  | LE32         | number of high-speed descriptors     |
182  * +-----+-----------+--------------+--------------------------------------+
183  * |  16 | fs_descrs | Descriptor[] | list of full-speed descriptors       |
184  * +-----+-----------+--------------+--------------------------------------+
185  * |     | hs_descrs | Descriptor[] | list of high-speed descriptors       |
186  * +-----+-----------+--------------+--------------------------------------+
193  * +-----+-----------------+------+--------------------------+
195  * +-----+-----------------+------+--------------------------+
197  * +-----+-----------------+------+--------------------------+
199  * +-----+-----------------+------+--------------------------+
201  * +-----+-----------------+------+--------------------------+
206  * +-----+-----------------+------+--------------------------+
208  * +-----+-----------------+------+--------------------------+
210  * +-----+-----------------+------+--------------------------+
212  * +-----+-----------------+------+--------------------------+
214  * +-----+-----------------+------+--------------------------+
216  * +-----+-----------------+------+--------------------------+
218  * +-----+-----------------+------+--------------------------+
220  * +-----+-----------------+------+--------------------------+
222  * +-----+-----------------+------+--------------------------+
224  * +-----+-----------------+------+--------------------------+
226  * +-----+-----------------+------+--------------------------+
228  * +-----+-----------------+------+--------------------------+
230  * +-----+-----------------+------+--------------------------+
232  * +-----+-----------------+------+--------------------------+
234  * +-----+-----------------+------+--------------------------+
236  * +-----+-----------------+------+--------------------------+
238  * +-----+-----------------+------+--------------------------+
243  * +-----+-----------------------+------+-------------------------------------+
245  * +-----+-----------------------+------+-------------------------------------+
247  * +-----+-----------------------+------+-------------------------------------+
249  * +-----+-----------------------+------+-------------------------------------+
251  * +-----+-----------------------+------+-------------------------------------+
253  * +-----+-----------------------+------+-------------------------------------+
255  * +-----+-----------------------+------+-------------------------------------+
257  * +-----+-----------------------+------+-------------------------------------+
262  * +-----+-----------------------+------+-------------------------------------+
264  * +-----+-----------------------+------+-------------------------------------+
266  * +-----+-----------------------+------+-------------------------------------+
268  * +-----+-----------------------+------+-------------------------------------+
270  * +-----+-----------------------+------+-------------------------------------+
272  * +-----+-----------------------+------+-------------------------------------+
274  * +-----+-----------------------+------+-------------------------------------+
276  * +-----+-----------------------+------+-------------------------------------+
290  * |-----+------------+-----------------------+----------------------------|
301  * |-----+---------+-------------------+------------------------------------|
307  * UTF-8.
333  * both 32-bit and 64-bit kernels.
372  * is no such interface returns -EDOM.  If function is not active
373  * returns -ENODEV.
379  * during the call, returns -ESHUTDOWN.
385  * returns -ESHUTDOWN.